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EVAP canister purge valve?

Tiny
TAGDZ015
  • MEMBER
  • 2010 FORD F-150
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 46,000 MILES
Would a faulty EVAP canister valve cause the engine to shut down while driving?
Monday, July 20th, 2015 AT 3:57 PM

7 Replies

Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
At idle or deceleration, absolutely! Purge valve stuck open on these trucks all the time. Also, make sure the canister is not saturated with raw fuel. Here is the locations of the EVAP canister purge valve for each engine that came in the truck so you can replace it (diagrams below).

All vehicles

image WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

Image WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

Disconnect the battery ground cable. For additional information, refer to Section 414-01.
Disconnect the Evaporative Emission (EVAP) canister purge valve electrical connector.
Disconnect the EVAP canister purge valve vapor tube quick connect coupling from the valve. For additional information, refer to Section 310-00.
Vehicles equipped with 4.6L (2V), 4.6L (3V) or 5.4L (3V) engine

Disconnect the EVAP canister purge valve hose-to-intake manifold quick connect coupling. For additional information, refer to Section 310-00.
Remove the EVAP canister purge valve from the bracket.
Vehicles equipped with 6.2L (2V) engine

Remove the 2 EVAP canister purge valve bolts and remove the valve.
Installation

Vehicles equipped with 6.2L (2V) engine

Install the EVAP canister purge valve and 2 bolts.
Tighten to 10 Nm (89 lb-in).
Vehicles equipped with 4.6L (2V), 4.6L (3V) or 5.4L (3V) engine

Install the EVAP canister purge valve on the bracket.
Connect the EVAP canister purge valve hose-to-intake manifold quick connect coupling. For additional information, refer to Section 310-00.
All vehicles

Connect the EVAP canister purge valve vapor tube quick connect coupling. For additional information, refer to Section 310-00.
Connect the EVAP canister purge valve electrical connector.
Connect the battery ground cable. For additional information, refer to Section 414-01.

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, June 19th, 2018 AT 8:38 PM
Tiny
TMCINTOSH11
  • MEMBER
  • 176 POSTS
  • 2002 FORD F-150
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 267,403 MILES
Hello, I have a question about the truck listed above, it is a SuperCrew XLT with a Triton engine. This morning I started hearing something drag after I hit a pretty good size bump, I pulled over and saw it was a metal bracket with a black plastic box attached to it. I had to drive slowly home and as I pulled in the driveway the bracket came off, the canister remains but it dangles. It is obviously a EVAP canister. I found one hose that I think attaches to it but I could not find the other one if there is one. I do not know exactly how to reattach it. I have never messed with this sort of thing before so I left it sit. I do not know if it is okay to drive like this or not. I imagine it has something to do with fuel pressure, the truck still runs good. I think it is slowly starting to miss out a little. So can anybody tell me how to get this back together? I miss my truck! Thank you!
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

The bracket needs to be replaced and the canister placed inside and mounted back on the body. It is for the EVAP system which controls vapors to the air. It has nothing to do with the fuel pump at all.

Did the check engine light come on?

Roy
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)
Tiny
TMCINTOSH11
  • MEMBER
  • 176 POSTS
Oh okay gotcha, no the check engine light has not come on yet. I have not actually driven it since that happened. I could not find all the hoses for it either. The one I found would not seem to go back on. I will try to look again for it. It looks like it has an electronic solenoid connected to it too, it does not look damaged so hopefully I will not have to buy a new one. Is it okay to drive like this? Thanks!
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
There will be one hose that will not be attached to anything, it is a vent to atmosphere.

Roy
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)
Tiny
TMCINTOSH11
  • MEMBER
  • 176 POSTS
Okay, one more question, is the bracket important at all? Reason I ask is because the old one is broke, mechanics will not weld that close to the fuel tank, Ford dealerships do not sell it nor do any parts store. So if I cannot find one at a salvage yard then can I just mount it to the frame another way? Sorry I guess that was two questions, but anyway let me know. Thanks Roy!
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The bracket is required to protect the canister. I would get one at a junk yard.

Roy
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Tuesday, December 3rd, 2019 AT 3:19 PM (Merged)

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